Title:
洗濯機
Document Type and Number:
Japanese Patent JP5650927
Kind Code:
B2
Abstract:
The invention provides a washing machine for an electric detection for the weight unbalance owing to deflection of the washings to one side or the like, wherein the abnormal vibration of the longitudinal shaking is detected by a first detection mechanism and a second detection mechanism and the abnormal vibration of the transverse shaking in the high speed rotation is detected by a third detection mechanism. The first detection mechanism determines whether a washing dewatering tank has the unbalance by comparing a difference of the rotation speed at a prescribed interval and a prescribed threshold when the rotation speed of a motor is increased to a low speed superior target rotation speed. The second detection mechanism determines whether the washing dewatering tank has the unbalance by comparing a difference between a duty ratio reduction and the reference duty ratio reduction and the threshold, wherein the duty ratio is used for maintaining the low speed superior target rotation speed. In the third detection mechanism, the change of the duty ratio in the high speed rotation is observed and threshold is switched based on the reference duty ratio so as to stop control of the motor.
Inventors:
奥山 泰正
川口 智也
川口 智也
Application Number:
JP2010116459A
Publication Date:
January 07, 2015
Filing Date:
May 20, 2010
Export Citation:
Assignee:
ハイアール グループ コーポレーション
ハイアールアジアインターナショナル株式会社
ハイアールアジアインターナショナル株式会社
International Classes:
D06F33/02
Attorney, Agent or Firm:
Teruo Akimoto
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